TM-9-2350-261-10

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

OPERATOR'S MANUAL

TM-9-2350-261-10 - Page 219 of 761

TM 9-2350-261-10

START ENGINE — Continued

0026 00

36. If, after operating the vehicle at reduced speed, the engine coolant temperature does not decrease, stop the engine, check

the coolant level (WP 0088 00), and follow overheating troubleshooting procedures (WP 0074 00). Normally the

temperature won’t go below 160F(71

.1 C) once the engine warms up, unless you have to idle in arctic temperatures

(below -25F(-32 C)).

37. If the coolant temperature drops to 140F(60 C), run the engine at 1200-1500 RPM until it warms up. If the temperature

gauge doesn’t work, report it to organizational maintenance.

38. Push air ventilator control in to allow cooler air from rear compartment to enter engine.

39. Drive carrier (WP 0028 00).

END OF TASK

0026 00-15/16 blank

C) under these conditions, the operator will reduce vehicle speed to

determine if the high ambient temperature is causing the higher engine coolant temperature.

F (9

3

C). If the coolant temperature exceeds 200

F

(93

C) or above), the coolant temperature may exceed 200

F (2

9

35. During conditions of high ambient temperatures (85

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